Welding Neck Flange is generally referred to as a "high hub" flange. It is designed to transfer pressure to the pipe and reduce high pressure at the base of the flange.
Welding Neck Flange is a butt-welding flange with the best design among currently available flanges because of its unique structure.
Standard: | EN1092-1 |
Size: | DN15-DN2000 |
Pressure class: | PN6、PN10、PN16、PN25、PN40、PN63、PN100、PN160、PN250、PN320、PN400 |
Material: | Carbon steel: P235GH, P245GH, P250GH, P365GH, P280GH |
Stainless steel: ASTM F304/304L、ASTM F316/316L、F321 | |
Anti-rust treatment of carbon steel flanges: | anti-rust oil, yellow paint, black paint, electric galvanized, hot-dip galvanized |